Home / 78,606,646.88-117,931,844.50-34,294,809.56

Finding the Fourth Proportional to 78,606,646.88, 117,931,844.50 and 34,294,809.56

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Solution

The fourth proportional to 78,606,646.88, 117,931,844.50 and 34,294,809.56 is: 51,451,757.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,606,646.88 : 117,931,844.50 = 34,294,809.56 : x
  2. Step 2: Convert to fraction form
    78,606,646.88/117,931,844.50 = 34,294,809.56/x
  3. Step 3: Cross multiply
    78,606,646.88x = 117,931,844.50 × 34,294,809.56
  4. Step 4: Simplify right side
    78,606,646.88x = 4,044,450,148,187,033.50
  5. Step 5: Solve for x
    x = 4,044,450,148,187,033.50/78,606,646.88
  6. Step 6: Final answer
    x = 51,451,757.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.